RacingLine High-Flow Panel Air Filter – MK5 R32The range of High Flow Panel Air Filters replaces the restrictive factory paper filters with an improved, high flow and reusable foam filter. This Panel Filter is one of the most cost effective enhancements you can make to allow the engine to breathe better and operate more efficiently = improving engine efficiency, and hence power and fuel economy. By removing the inevitable restrictions that the standard paper panel filter gives, the Panel Filter